19646484

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{107}}^2$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 54364128

約数和(自身を除く): 34717644

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 107, 132, 143, 156, 214, 286, 321, 428, 429, 572, 642, 858, 1177, 1284, 1391, 1716, 2354, 2782, 3531, 4173, 4708, 5564, 7062, 8346, 11449, 14124, 15301, 16692, 22898, 30602, 34347, 45796, 45903, 61204, 68694, 91806, 125939, 137388, 148837, 183612, 251878, 297674, 377817, 446511, 503756, 595348, 755634, 893022, 1511268, 1637207, 1786044, 3274414, 4911621, 6548828, 9823242, 19646484]

約数ペア:

[(1, 19646484), (2, 9823242), (3, 6548828), (4, 4911621), (6, 3274414), (11, 1786044), (12, 1637207), (13, 1511268), (22, 893022), (26, 755634), (33, 595348), (39, 503756), (44, 446511), (52, 377817), (66, 297674), (78, 251878), (107, 183612), (132, 148837), (143, 137388), (156, 125939), (214, 91806), (286, 68694), (321, 61204), (428, 45903), (429, 45796), (572, 34347), (642, 30602), (858, 22898), (1177, 16692), (1284, 15301), (1391, 14124), (1716, 11449), (2354, 8346), (2782, 7062), (3531, 5564), (4173, 4708)]